144 The purpose of a dummy activity in an activity-on-arrow diagram is to:A. Identify a task that could be replaced by another.B. Take the slack time into account.C. Show a task that is not necessarily needed.D. Denote a milestone.E. Show a dependency rel

题目

144 The purpose of a dummy activity in an activity-on-arrow diagram is to:

A. Identify a task that could be replaced by another.

B. Take the slack time into account.

C. Show a task that is not necessarily needed.

D. Denote a milestone.

E. Show a dependency relationship


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参考答案和解析
正确答案:E
更多“144The purpose of a dummy activity in an activity-on-arrow diagram is to: A.Identify a tas ”相关问题
  • 第1题:

    (单选)不饱和空气的干球温度(t)、湿球温度(tw)、绝热饱和温度(tas)、露点温度(td)的相对大小关系是:()*

    A.t >td> tw >tas ;

    B.tw > t> tas >td;

    C.t >tw = td > tas;

    D.t >tw =tas >td;


    t>tw>td

  • 第2题:

    不饱和空气的干球温度(t)、湿球温度(tw)、绝热饱和温度(tas)、露点温度(td)的相对大小关系是:()

    A.t >td> tw >tas ;

    B.tw > t> tas >td;

    C.t >tw = td > tas;

    D.t >tw =tas >td;


    D

  • 第3题:

    等I线上每一点所代表的空气状态都对应有同一个tas(或 tw),因此,I和tas (或 tw)是等价的,彼此是独立的()。


    错误

  • 第4题:

    在activity1中启动activity2时可以使用语句:Intent intent = new Intent(Activity1.this, Activity2.class);startActivity(intent);来实现

    在activity1中启动activity2时可以使用语句:Intent intent = new Intent(Activity1.this, Activity2.class);startActivity(intent);来实现


    正确

  • 第5题:

    在activity1中启动activity2时可以使用语句:Intent intent = new Intent(Activity1.this, Activity2.class);startActivity(intent);来实现


    正确

  • 第6题:

    5、若在启动Activity时,希望新建一个Activity对象,则应使用的Intent标志是()。

    A.FLAG_ACTIVITY_CLEAR_TOP

    B.FLAG_ACTIVITY_NEW_TASK

    C.FLAG_ACTIVITY_SINGLE_TOP

    D.FLAG_ACTIVITY_BROUGHT_TO_FRONT


    错误